Chinese Internet stocks rally following news Alibaba is buying an 18% stake in Sina as it tries...

Chinese Internet stocks rally following news Alibaba is buying an 18% stake in Sina as it tries to head off competition from Tencent. Youku (YOKU+7%) is the biggest winner, but Baidu (BIDU+2.2%), NetQin (NQ+3.8%), NetEase (NTES+2%), and YY (YY+3.7% - a rival to Tencent's QQ platform) are also having good days. Youku filed its 2012 20-F on Friday.